Windows System Errors

Windows System Errors 29 — ERROR_WRITE_FAULT

In Windows System Errors, code 29 is ERROR_WRITE_FAULT. The official source describes it as “The system cannot write to the specified device.”. Its concrete cause depends on the operation and surrounding message.

Code29
SymbolERROR_WRITE_FAULT
Source confidencehigh

Official definition

The system cannot write to the specified device.

In plain language

In Windows System Errors, code 29 is ERROR_WRITE_FAULT. The official source describes it as “The system cannot write to the specified device.”. Its concrete cause depends on the operation and surrounding message.

Context to inspect

  • The surrounding operation, version and subsystem determine the actual cause.
  • The same numeric value can mean something different in another namespace.

Safe first checks

  1. Confirm which product, protocol or subsystem produced the code.
  2. Read the full surrounding error message and inspect relevant logs.
  3. Compare the code with the linked authoritative documentation before changing configuration.

Important context

The surrounding operation, version and subsystem determine the actual cause.

Authoritative source

Microsoft Learn — System Error Codes

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